CN203871203U - Improved electric earthing switch - Google Patents
Improved electric earthing switch Download PDFInfo
- Publication number
- CN203871203U CN203871203U CN201420282786.6U CN201420282786U CN203871203U CN 203871203 U CN203871203 U CN 203871203U CN 201420282786 U CN201420282786 U CN 201420282786U CN 203871203 U CN203871203 U CN 203871203U
- Authority
- CN
- China
- Prior art keywords
- motor
- operating mechanism
- push rod
- earthing switch
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to the technical field of switch equipment, and especially relates to an improved electric earthing switch. The earthing switch comprises a housing. The housing is provided with two switching positions. An electric operating mechanism is arranged in the switching positions. A switch device is arranged at the lower end of the housing. The electric operating mechanism comprises an electromagnetic valve and an electromagnetic push rod. The lower end of the electromagnetic push rod is provided with a pressure spring. A clutch pin is arranged between the electromagnetic push rod and the pressure spring. The switch device comprises a support. The upper end of the support is provided with an insulator. The bottom portion of the support is provided with a driving device. The output end of the driving device is provided with a static contact. The upper end of the static contact is provided with a moving contact cooperatively used with the electric operating mechanism. A spring is arranged between the static contact and the support bottom portion. According to the improved electric earthing switch, the electric operating mechanism and the earthing switch device are combined into one body, so that the installation structure of an original earthing switch is not changed, and free switching between manual operation and electric operation can be realized; and the improved electric earthing switch is safe and reliable, reasonable in designed structure, and easy and convenient to install and maintain, has the anti-blocking function, and can realize the function of motor control and protection.
Description
Technical field
The utility model relates to switchgear technical field, especially relates to a kind of improved electric ground switch.
Background technology
Switch cubicle is used for connecting, disconnects and protection supply line, and realizes with Cooperation with Relay the equipment that excises faulty line.In switch cubicle, be conventionally equipped with a grounding knife switch, when supply line or equipment break down and normal maintenance earthed switch must be closed a floodgate, with this, protect life safety.
And grounding knife switch in traditional switch cubicle deciliter main adopts people's operation, operational danger is high like this, easily causes adverse consequences.In order to solve existing manually-operated defect, in prior art, there is a kind of form by mechanical clutch to reach the switch of grounding knife switch deciliter, but due to mechanical structure interlock have certain slow, and the wear out failure that can cause each parts after long-time use, easily phenomenon not in place is not switched or is switched in appearance, in addition, and the switch of mechanical clutch, installation and maintenance inconvenience, more can not realize manually and automatically and switching.
Summary of the invention
The deficiency existing for above-mentioned prior art; the purpose of this utility model is to provide a kind of improved electric ground switch; it has can realize manual operation and electric operating freely switches; safe and reliable; project organization is reasonable; convenient for installation and maintenance simple, blocking rotation function can realize the feature to the control and protection of motor.
To achieve these goals, the technical scheme that the utility model adopts is: a kind of improved electric ground switch, comprise shell, shell offers two toggle bits, in toggle bit, be provided with motor-operating mechanism, shell lower end is provided with the switching device being used in conjunction with motor-operating mechanism, motor-operating mechanism comprises to be located at the electromagnetically operated valve of shell outer end and to be located at the electromagnetism push rod in toggle bit, electromagnetism push rod lower end is provided with stage clip, between electromagnetism push rod and stage clip, be provided with on-of pin, described switching device comprises support, support upper end is provided with insulator, frame bottom is provided with drive unit, the output of drive unit is provided with fixed contact, fixed contact upper end is provided with the moving contact being used in conjunction with motor-operating mechanism, between fixed contact and frame bottom, be provided with spring.
Wherein, described motor-operating mechanism comprises the output shaft of being located at outside electromagnetism push rod, and output shaft is arranged with travelling gear outward, between output shaft and travelling gear, is provided with ball.
Wherein, described drive unit comprises motor, and motor output end is connected with reduction box, and reduction box output is connected with the driven wheel with travelling gear engagement.
Adopt after said structure, the advantage that compared to the prior art the utility model had is: it comprises shell, shell offers two toggle bits, in toggle bit, be provided with motor-operating mechanism, shell lower end is provided with the switching device being used in conjunction with motor-operating mechanism, motor-operating mechanism comprises to be located at the electromagnetically operated valve of shell outer end and to be located at the electromagnetism push rod in toggle bit, electromagnetism push rod lower end is provided with stage clip, between electromagnetism push rod and stage clip, be provided with on-of pin, described switching device comprises support, support upper end is provided with insulator, frame bottom is provided with drive unit, the output of drive unit is provided with fixed contact, fixed contact upper end is provided with the moving contact being used in conjunction with motor-operating mechanism, between fixed contact and frame bottom, be provided with spring, the utility model is by being combined into one motor-operating mechanism and Grunding switch gear device, do not change former earthed switch mounting structure, with this, manual operation can be realized and electric operating freely switches, safe and reliable, project organization is reasonable, convenient for installation and maintenance simple, blocking rotation function can realize the feature to the control and protection of motor.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is general structure schematic diagram of the present utility model.
Fig. 2 is the front view of switching device in the utility model.
Fig. 3 is the left view of switching device in the utility model.
Fig. 4 is the structural representation of motor-operating mechanism in the utility model.
In figure: 1, shell; 2, motor-operating mechanism;
3, switching device; 4, electromagnetically operated valve;
5, electromagnetism push rod; 6, stage clip;
7, on-of pin; 8, support;
9, insulator; 10, fixed contact;
11, moving contact; 12, spring;
13, output shaft; 14, travelling gear;
15, ball 16, reduction box;
17, driven wheel; 18, motor.
Embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection range of the present utility model.
As shown in Figures 1 to 4: a kind of improved electric ground switch, comprise shell 1, shell 1 offers two toggle bits, in toggle bit, be provided with motor-operating mechanism 2, shell 1 lower end is provided with the switching device 3 being used in conjunction with motor-operating mechanism 2, motor-operating mechanism 2 comprises to be located at the electromagnetically operated valve 4 of shell 1 outer end and to be located at the electromagnetism push rod 5 in toggle bit, electromagnetism push rod 5 lower ends are provided with stage clip 6, between electromagnetism push rod 5 and stage clip 6, be provided with on-of pin 7, described switching device 3 comprises support 8, support 8 upper ends are provided with insulator 9, support 8 bottoms are provided with drive unit, the output of drive unit is provided with fixed contact 10, fixed contact 10 upper ends are provided with the moving contact 11 being used in conjunction with motor-operating mechanism 2, between fixed contact 10 and support 8 bottoms, be provided with spring 12, the utility model is by being combined into one motor-operating mechanism 2 and Grunding switch gear device 3, do not changing under the prerequisite of original structure, carry out electronic transformation, do not change mounting means and structure, do not change the manual manipulation mode of former mechanism yet, meet the origin operation rules that user uses.In addition, integral Al-alloy shell 1 electromagnetism switches reducing motor 18, and former two steel plate types of employing integral Al-alloy reduction box 16 replacement expose the reduction box 16 of gear, appearance looks elegant.Meanwhile, lubricating grease can be filled it up with in inside, can forever not want grease up, non-maintaining.
In the present embodiment, described motor-operating mechanism 2 comprises the output shaft 13 of being located at outside electromagnetism push rod 5, the outer travelling gear 14 that is arranged with of output shaft 13, between output shaft 13 and travelling gear 14, be provided with ball 15, motor-operating mechanism 2 has adopted the structure of electromagnetically operated valve 4 automatic clutch, has adopted permanent magnet DC motor and electromagnetically operated valve 4 parallel circuitss, and motor 18 quits work, thereby electromagnetically operated valve 4 is threaded off and realized conversion simultaneously, replaced the feature that originally needs manual operation to change.Wherein, described drive unit comprises motor 18, and motor 18 outputs are connected with reduction box 16, and reduction box 16 outputs are connected with the driven wheel 17 of travelling gear 14 engagements and adopt electromagnetic clutch to replace mechanical clutch, and motor 18 is in parallel with electromagnetically operated valve 4.Motor 18 electromagnetism that quits work automatically switches to manual operation state; changed not the switching of easy appearance of mechanical clutch; switch that insecure phenomenon such as not in place can realize manual operation with this and electric operating freely switches; safe and reliable; project organization is reasonable; convenient for installation and maintenance simple, blocking rotation function can realize the feature to the control and protection of motor 18.
Operation principle of the present utility model is: by connecting control module special, and drive motors 18, motor 18 drives drive shaft turns simultaneously, makes spring 12 compressions, awards actuating force, drives the work of earthed switch divide-shut brake.After putting in place, work switches by sensitive switch signal.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (2)
1. an improved electric ground switch, it is characterized in that: comprise shell, shell offers two toggle bits, in toggle bit, be provided with motor-operating mechanism, shell lower end is provided with the switching device being used in conjunction with motor-operating mechanism, motor-operating mechanism comprises to be located at the electromagnetically operated valve of shell outer end and to be located at the electromagnetism push rod in toggle bit, electromagnetism push rod lower end is provided with stage clip, between electromagnetism push rod and stage clip, be provided with on-of pin, described switching device comprises support, support upper end is provided with insulator, frame bottom is provided with drive unit, the output of drive unit is provided with fixed contact, fixed contact upper end is provided with the moving contact being used in conjunction with motor-operating mechanism, between fixed contact and frame bottom, be provided with spring.
2. a kind of improved electric ground switch according to claim 1, is characterized in that: described motor-operating mechanism comprises the output shaft of being located at outside electromagnetism push rod, and output shaft is arranged with travelling gear outward, between output shaft and travelling gear, is provided with ball.
3. a kind of improved electric ground switch according to claim 1, it is characterized in that: described drive unit comprises motor, and motor output end is connected with reduction box, reduction box output is connected with the driven wheel with travelling gear engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282786.6U CN203871203U (en) | 2014-05-30 | 2014-05-30 | Improved electric earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282786.6U CN203871203U (en) | 2014-05-30 | 2014-05-30 | Improved electric earthing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871203U true CN203871203U (en) | 2014-10-08 |
Family
ID=51652128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282786.6U Expired - Fee Related CN203871203U (en) | 2014-05-30 | 2014-05-30 | Improved electric earthing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871203U (en) |
-
2014
- 2014-05-30 CN CN201420282786.6U patent/CN203871203U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20180530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |